# Antibiotic intermediates (6-APA, 7-ACA) and Small-molecule APIs

Their prices have moved together.

Source page: https://www.materialinsights.org/links/antibiotic-intermediates-6-apa-7-aca-and-small-molecule-apis/

[Antibiotic intermediates (6-APA, 7-ACA)](https://www.materialinsights.org/chemicals/antibiotic_intermediates/) (chemical) and [Small-molecule APIs](https://www.materialinsights.org/chemicals/apis/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: sister input chain

*Cost and price · Weak · Both ways*

Antibiotic APIs are built from fermentation intermediates such as 6-APA, a separate chain from synthetic APIs. The antibiotics proxy correlates at -0.03 for monthly moves and 0.19 over the last five years, so the two chains price largely independently.

- **-0.03** monthly change correlation
- **-0.08** 12-month change correlation
- **0.10** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.